Inventor
Rohan Dayal
Inventor
Daly City, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks29%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems17%
H01FMagnets11%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%
H04BTransmission9%
H05BElectric heating9%
H02HEmergency protective circuit arrangements6%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
H05KPrinted circuits3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
PatentTitleYear
11,133,696Wireless power system202111,121,573Low-profile power converter202110,978,899Wireless charging system with duty cycle control202110,923,955Wireless power system with resonant circuit tuning202110,734,840Shared power converter for a wireless transmitter device202010,644,531Adaptable power rectifier for wireless charger system202010,608,468Wireless charging systems with in-band communications202010,523,063Common mode noise compensation in wireless power systems201910,483,786Wireless charging systems with multicoil receivers201910,389,274Boosted output inverter for electronic devices201910,256,733Tapped winding flyback converter for multiple output voltages201910,103,538Surge protection circuit for a half-bridge power converter201810,075,055Zero-voltage-switching scheme for phase shift converters20189,894,718'Constant current source LED driver circuit with self-clamped output'20189,379,533'Input surge protection circuit and method for an LED load'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2018Patents assigned to UNIVERSAL LIGHTING TECH INC (3)· patent assignee history
2016–2018Based in Madison, AL, US· patent location history
2018–2021Patents assigned to APPLE INC (12)· patent assignee history
2018–2019Based in Cupertino, CA, US· patent location history
2019–2021Based in Daly City, CA, US· patent location history
2019–2021Based in Mountain View, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 12 | 2018–2021 |
| UNIVERSAL LIGHTING TECH INC | 3 | 2016–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daly City, California, US | 5 | 2019–2021 |
| Mountain View, California, US | 5 | 2019–2021 |
| Madison, AL, US | 3 | 2016–2018 |
| Cupertino, California, US | 2 | 2018–2019 |